单词	精苦
释义	精苦 jīng kǔ精勤刻苦。
随便看	hidden danger in security hidden danger of dike burst Hidden danger of safe hidden danger of safety hidden danger of security hidden danger of slopes hidden danger of the project hidden dangerous hidden dangers hidden dangers in nursing care hidden dangers in safety Hidden dangers in safety Hidden dangers of fire hidden dangers of fire hazard hidden danger to safety Hidden danger treatment hidden data hidden data capacity hidden debt hidden defect hidden defects hidden defects detection hidden defects detection of dam and dike hidden delinquency hidden demand